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MySql的sql语句涉及group/sum/limit/结果集多字段,如何写

WBOY
WBOYOriginal
2016-06-06 20:47:441118browse

表结构和数据如下,我需要查询uid的total之和最大的前10条数据,请问sql语句如何写

<code>uid   total
1      4
2      1
2      2
3      6
1      5
4      9
</code>

回复内容:

表结构和数据如下,我需要查询uid的total之和最大的前10条数据,请问sql语句如何写

<code>uid   total
1      4
2      1
2      2
3      6
1      5
4      9
</code>

<code class="lang-sql">SELECT uid, SUM( total ) 
FROM  `test` 
GROUP BY uid
ORDER BY SUM( total ) DESC 
LIMIT 0 , 10
</code>
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